The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.
A ship in port is safe, but that's not what ships are built for.
学习数学的唯一方法就是做数学。
夜晚是真相的时刻,当面具落下,灵魂赤裸裸地展现。
预言未来最好的方法是回顾过去